# OC Root 2nd 3rd 4th PC Gene/Definition OC.335509 Bacteria.345955 Firmicutes.128119 Firmicutes___Clostridia.68167 ccel.607 ccel:CCDG5_0634 Pyruvate/ketoisovalerate oxidoreductase, catalytic domain; K00177 2-oxoglutarate ferredoxin oxidoreductase subunit gamma [EC:1.2.7.3]